How to Recalibrate Android Battery and Improve Its Battery Life

Battery life is one of the most important things with any phone or tablet. If you have to reach for a charger by the time it gets to midday, it might be time to recalibrate your Android battery. It’ll give you a better idea of just how much juice you have left, and it should stop you from getting caught short.

If you’re not sure what to do, check our guide for everything you need to know about recalibration.

Why Should I Recalibrate My Android Battery?

First things first. What’s the point of recalibration? It serves to give you an accurate reading of your remaining battery life by making sure the Android isn’t giving false readings.

It will work for both phones and tablets, so don’t be shy. It’s beneficial if you’re constantly running out of power with little to no warning or if your battery life suddenly drops repeatedly.

Recalibrating Your Battery Life without Root Access

2. Plug your phone into a charger and charge it fully. Keep it switched off while charging.

3. Unplug the charger, and turn the device on.

4. Your phone probably won’t be at 100 percent. Replug the charger, and wait for it to fully charge again.

5. Restart the phone to see what the charge is. You may have to repeat this process a few times to get close to 100. (So charge, unplug and restart, and check the battery reading.)

6. Now you just have to wait for the battery to drain and for your device to turn off naturally.

7. When you recharge your phone it should now give an accurate reading of your remaining battery life.

Recalibrating Your Battery Life with Root Access

With root access it’s even easier. Before you get started, download the free Battery Calibration app from the Play Store.

The app will give you a more accurate reading of your overall battery power as well as information about the voltage. It also has an alarm that will beep when the 100 percent charge is complete so you won’t have to keep a close eye on your device while it’s powering up. It just makes things a little easier for the user.

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